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ISO/AWI TS 4437-7
Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 7: Assessment of Conformity
ISO/AWI TS 23818-5
Assessment of conformity of plastics piping systems for the rehabilitation of existing pipelines - Part 5: Unplasticized Polyamide (PA-U) material
ISO/TC 67/SC 6/WG 5
Piping systems
NA 132-02-05-01 AK
Piping support
ISO/TC 8/SC 3
Piping and machinery
CEN/TC 234/WG 8
Industrial piping
NA 044-00-03 AA
Piping, valves and accessories
NA 054-05-07 AA
Piping systems for ducting
NA 132-02-05 AA
Piping systems and connections
NA 119-07-18 AA
Plastics piping systems outside buildings